32results about How to "Short driving time" patented technology

The invention discloses an electronic control dimmer medium with openings on conductive electrode layers. The electronic control dimmer medium comprises two matrix layers, wherein a mixing layer is arranged between the two matrix layers and formed by mixing nearly crystalline liquid crystal and additives, a conductive electrode layer is arranged on one side of each of the matrix layers towards the mixing layer and connected with a circuit drive control device, and one opening is arranged on at least one of the two conductive electrode layers. By means of the openings, compared with the existing electronic control dimmer medium, the electronic control dimmer medium with the openings on the conductive electrode layers reduces working voltage of the nearly crystalline liquid crystal, improves the speed of conversion from a full-transparent state to a mist shading state, and is short in driving time and capable of saving energy. Furthermore, incomplete shadows do not occur under the mist shading state, the whole medium is uniform in shading, and the image display effect is good.

The invention provides a dynamic navigation method for vehicle driving paths based on a green light time map, which can reduce the number of stops and driving delays when encountering a red light, and effectively improve the reliability and stability of travel navigation. In the technical solution of the present invention, based on the start and end time of green lights of each light-controlled intersection on the path and the space distance between light-controlled intersections, the final arrival time and number of stops of each feasible path are obtained, and then based on the path of each feasible path Length, final arrival time, number of stops, establish a route evaluation index, and obtain the best candidate route; ensure that the vehicle to be navigated can take into account the shortest route, and use the shortest driving time and minimum energy consumption to reach the destination.

The invention provides a system for preparing methyl alcohol with coke oven gas. The system comprises a fine desulfurization system and a conversion system. The fine desulfurization system comprises a first coke oven gas compressor, a first heating furnace, a fine desulfurization segment, an emptying opening and a first valve which are sequentially connected through pipelines. The conversion system comprises a second coke oven gas compressor, a second valve, a second heating furnace and a conversion segment which are sequentially connected through pipelines. The fine desulfurization system and the conversion system are independently heated respectively and can be heated at the same time. The fine desulfurization system uses coke oven gas for heating, and the conversion system uses circulating nitrogen for heating. According to the system for preparing methyl alcohol with the coke oven gas and a preparation method using the system, heating time can be reasonably arranged according to technical requirements, and start time of the fine desulfurization system and the conversion system is shortened.

The invention discloses a construction method based on a technology for producing boron isotope by anisole-boron trifluoride, which belongs to the field of isotope separation, and mainly aims at solving the problems such as low yield of boron-10 and incapability of obtaining qualified boron-11 products at the same time in the existing construction method based on the technology for producing boron isotope by anisole-boron trifluoride. The method disclosed by the invention comprises the following steps: continuously purifying raw materials, namely boron trifluoride gas and an anisole liquid, as well as an anisole-boron trifluoride complex before entering a cracking tower, nitrogen gas coming out of the top of a complex gas stripping tower, boron trifluoride gas after cracking, and gas coming out of the top of a first exchange rectifying tower; adding the purified nitrogen gas into a second exchange rectifying tower; adding fresh boron trifluoride gas into the first exchange rectifying tower, wherein boron-10 is not discharged out from the top of the cracking tower and boron-11 is not discharged out from the top of a complexation tower; and after performing system rectification balance for 72-148 hours, converting to the normal production mode. The method has the advantage that the two qualified products, namely boron trifluoride-10 and boron trifluoride-11 can be produced at the same time.

The present invention relates to a method of reducing catalyst pollution during the driving process of a methanol to olefin reacting device. The method mainly solves the problem in the prior art of serious catalyst pollution during the driving process. The method comprises the steps as follows: a molecular sieve catalyst with coke is returned to a reaction area to react with raw materials continuously; after the average coke quantity of the catalyst in a reactor takes 2.0 percent to 6.0 percent in weight, torch oil is injected into a regenerator, the regenerator is heated to 500 DEG C to 700DEG C immediately; the catalyst is circulated into the regenerator, the coke burns and produces heat; the injection of the torch oil is stopped, catalyst circulation between the reactor and the regenerator is established; after the temperature of the regenerator is stabilized between 600 DEG C and 700 DEG C, an auxiliary air chamber is stopped touse. The method solves the problem well by a technical proposal with the steps and can be applied in the industrial production of light olefin.

The invention relates to a radio frequency intelligent coupling muck dumping system based on a totally-enclosed muck vehicle, wherein the totally-enclosed muck vehicle has a muck dumping controller; the muck dumping monitor and control system comprises a second radio frequency module set in an assigned muck dumping point and each vehicle control terminal set on each totally-enclosed muck vehicle respectively; each vehicle control terminal respectively comprises a control box, a control module, and a power supply module, an electric control lock, a first radio frequency module, a satellite positioning module, a path program module and a remote alarm module that are connected with the control module; the electric control lock comprises a mini electric control telescoping rod (1) and a closed clasp (2). According to the together work of the satellite positioning module and the path program module, the first radio frequency module is started intelligently; and the radio frequency communication between the first radio frequency module and the second radio frequency module are realized. The dumping position of the muck can be ensured, and the random dumping of the muck can be effectively avoided.

The invention discloses a self generation method of a driving waveform for electrophoresis display equipment. The self generation method comprises calculating the luminance value of each gray scale; gradually increasing the positive voltage or negative voltage time length applied to a pixel electrode from the previous state to form a new driving waveform; driving the electrophoresis display equipment to display images and measure the luminance values; acquiring the luminance values and feeding back the luminance values to a control unit; determining whether the effect of the driving waveform is the required result by means of the control unit; if achieving the expected effect, saving the driving waveform and continuing operation to generate driving waveforms which are transformed from other states; and if not achieving the expected effect, generating a new driving waveform by continuously increasing the time length of positive voltage or negative voltage. The self generation method of a driving waveform for electrophoresis display equipment has the advantages of liberating the labor force and improving the work efficiency through automatic operation of the computer. The generated driving waveform is adaptive to the environment and hardware conditions so that the display effect is better. Compared with a traditional driving waveform, the high frequency driving mode enables human eyes to enjoy higher comfort degree.

The invention discloses an ignition method for producing nitric acid through an ammonia oxidation process. The ignition method comprises the following steps: setting a normal ammonia and air ratio value in a ratio controller to be the molar content being 9.5-10.5 percent, and setting an ammonia and air ratio interlocking value to be the molar content being 11 percent; and setting the automatic gradual-change mode of an ammonia flow regulating valve to be characterized in that the ammonia / air ratio reaches the molar content being 8.5 percent in 2.0-2.5 minutes by DCS, wherein the ratio molar content is increased from 0 percent to 7 percent in the first 2 minutes, the molar content is increased from 7 percent to 8.5 percent within 1 minute, and the ammonia / air ratio is adjusted to be the molar content being 9.5 percent within 5 minutes. The ignition method disclosed by the invention has the advantages that the nitric acid feeding ignition safety requirement is met, and the environmental pollution is avoided.

The invention provides a starting / stopping control method and system for a powdered coal pressure gasification device. The method and system control purging stop, oxygen system starting, ignition burner starting, startup burner starting as well as coal burner starting of the powdered coal pressure gasification device. The starting / stopping control method and system have the advantages of high automation degree, concise starting / stopping control, safety and reliability, short starting time, and greatly reduced starting expense.